Studies of Acoustic Neutrino Detection Methods with ANTARES

TL;DR

This paper explores the potential of acoustic detection methods for ultra-high-energy neutrinos using the ANTARES-AMADEUS setup, aiming to assess feasibility and transfer insights to future large-scale neutrino telescopes.

Contribution

It presents a feasibility study of acoustic neutrino detection with ANTARES-AMADEUS and discusses how this hybrid setup can inform future large-volume optical neutrino detectors.

Findings

Demonstrated the potential of acoustic sensors for neutrino detection

Assessed the feasibility of a 100 km³ acoustic array in deep-sea environments

Provided insights into hybrid opto-acoustic detector calibration

Abstract

The emission of neutrinos within a wide energy range is predicted from very-high-energy phenomena in the Universe. Even the current or next-generation Cherenkov neutrino telescopes might be too small to detect the faint fluxes expected for cosmic neutrinos with energies exceeding the EeV scale. The acoustic detection method is a promising option to enlarge the discovery potential in this highest-energy regime. In a possible future deep-sea detector, the pressure waves produced in a neutrino interaction could be detected by a 100 km\^3-sized array of acoustic sensors, even if it is sparsely instrumented with about 100 sensors/km\^3. This article focuses on the AMADEUS set-up of acoustic sensors, which is an integral part of the ANTARES detector. The main aim of the project is a feasibility study towards a future acoustic neutrino detector. However, the experience gained with the ANTARES-AMADEUS hybrid opto-acoustic set-up can also be transferred to future very large volume optical neutrino telescopes, especially for the position calibration of the detector structures using acoustic sensors.